package com.cinorecycle.printqrcode.util;

import com.cinorecycle.printqrcode.common.PrintParam;
import com.google.zxing.common.BitMatrix;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.OutputStream;

public class MatrixToImageWriter {

    private static final int BLACK = 0xFF000000;
    private static final int WHITE = 0xFFFFFFFF;

    private MatrixToImageWriter() {
    }

    public static BufferedImage toBufferedImage(BitMatrix matrix) {
        int width = matrix.getWidth();
        int height = matrix.getHeight();
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        for (int x = 0; x < width - 100; x++) {
            for (int y = 0; y < height - 10; y++) {
                image.setRGB(x, y, matrix.get(x + 100, y + 10) ? BLACK : WHITE);
                if (x >= 300) {
                    image.setRGB(x + 100, y, WHITE);
                }
                if (x >= PrintParam.areaHeight) {
                    image.setRGB(x + 100, y, WHITE);
                }
               /* if (y <= 10) {
                    image.setRGB(x, height - 10 - y, WHITE);
                }*/
            }
        }
        for (int x = 0; x < width; x++) {
            for (int y = height - 10; y < height; y++) {
                image.setRGB(x, y, WHITE);
            }
        }
       /* for (int x = 0; x < width - 150; x++) {
            for (int y = 0; y < height; y++) {
                image.setRGB(x, y, matrix.get(x + 150, y) ? BLACK : WHITE);
                if (x >= 400) {
                    image.setRGB(x+100, y, WHITE);
                }
                *//*if (x >= PrintParam.areaHeight) {
                    image.setRGB(x + 100, y, WHITE);
                }*//*
            }
        }*/
        return image;
    }


    public static BufferedImage writeToFile(BitMatrix matrix, String format)
            throws IOException {
        BufferedImage image = toBufferedImage(matrix);
        return image;
    }


    public static void writeToStream(BitMatrix matrix, String format, OutputStream stream)
            throws IOException {
        BufferedImage image = toBufferedImage(matrix);
        if (!ImageIO.write(image, format, stream)) {
            throw new IOException("Could not write an image of format " + format);
        }
    }
}
